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titrated Acetic Acid with Sodium Hydroxide. The endpoint measured 27.9 mL. The NaOH concentration was figured out by titration of a primary standard KHP. The resulted concentration was ~.2651 M NaOH
a ballon filled with 0.505 mol of gas contracts reversibly from 1.0 L to 0.10 L at a constant temperature of 5.0 degree celsius. In doing so it loses 1270 J of heat. calculate w, q, and U for the process.
(a) In the electrolysis of aqueous Na2C2O4, how many liters of CO2(g) (at STP) are generated by a current of 89.9 A for a period of 53.0 min? The unbalanced chemical reaction representing this electrolysis is shown below.
The reusable booster rocket of the U.S. space shuttle employs a mixture of aluminum and ammonium perchlorate for feul. the chemical reaction that occurs is
two naturally occurring isotopes with atomic weights 184.9530 and 186.9560. What is the percent abundance of the lighter isotope
Two reactions have the same activation energy, but their rates at the same temperature differ by a factor of 10. Explain.
Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly?
A mammalian species uses the following metabolic pathway to obtain another bioactive substance. Draw the skeletal structure of the product of each metabolic process. (Show your product in the unionized state and omit any stereochemistry. You may c..
in a reaction at equilibrium the partial presssure of so2 is 117 torr and that of cl2 is 255 torr. what is the partial
What is the molarity of the HCl solution if 310mL of the HCl solution reacts with magnesium to produce 5.40L of H2 gas measured at STP
What information is obtained from analyzing the blank? Is this sample 100% elution solvent?
at a particular temperature and a0 2.57 10-3 m concentration versus time data were collected for this reaction and a
We do not have a reliable method for determining the number of molar equivalents of bleach being added because commercial preparations vary in concentration and "oxidizing power
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